The only way you can write the truth is to assume that what you set down will never be read.
Sustainability isn't a buzzword; it's the foundation of modern resource extraction.
社会是由某些关系或行为方式联合起来的个体的集合,这些关系或行为方式将他们与那些不进入这些关系或行为方式不同的人区分开来。
一次又一次地后悔到终身,还不如不做后悔之事而无后顾之忧。